Big Picture Science – Shell on Earth: Al Tanner / Naked Cephalopods

by Gary Niederhoff on March 27, 2017

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Shell on Earth – Naked Cephalopodsclick to listen (TRT 7:01)
Click above to listen to part 2 of Shell on Earth, featuring Al Tanner, Ph.D. student in paleobiology at the University of Bristol, U.K., explaining why cephalopods, unlike their other mollusk relatives, evolved to be shell-less.